How could a change to the size of the algae population cause an increase in the size of the moon jelly population? (Be sure to discuss births and deaths in your answer.) (they had no science option)

The deaths of one species leaves room for another to grow. for example is there are not enough wolves to kill the deer the deer population will increase and that would start to cause problems. If there is not enough algae to combat the moon jelly the amount of moon jelly will increase because there is nothing to stop it.

it's c. elements are placed in rows based on how may valencies electrons have.

percent abundance for cu-63 can be shown as:

63 x + 65 (1-x) = 62.9296

65 - 62.9296 = 2 x

x = 1.035

thus, percent abundance for cu-63 is 1.035

percent abundance for cu-65 can be shown as:

63 x + 65 (1-x) = 64.9278

65 - 64.9278 = 2 x

x = 0.0361

thus, percent abundance for cu-63 is 0.0361

the mass spectrum of cu-63 showing the intense peak as, this isotope is found in nature more abundantly around 92.38 % in comparison to cu-65 which is found 62.58 % naturally